From: Steven Jenkins <steven.jenkins@...>
Date: 2004-06-22T22:18:48+09:00
Subject: Re: popen3 and spawn

Hal Fulton wrote:
> When I invoke telnet with PTY.spawn, I can easily send it the
> "attention" character ^] resulting in a telnet> prompt.
> 
> When I invoke it with Open3.popen3, this doesn't work.
> 
> Can someone tell me why?

I'd guess it's because the pipe is buffered. Try IO#flush or IO#sync.

Steve